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Body Movements (HBBVS)

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Which of the following joints is a freely movable joint?

  1. Tooth socket joint

  2. Upper jaw joint

  3. Joint between the bones in the skull

  4. Joint between the neck and the head

  5. Pelvis joint


Correct Option: D
Explanation:

This is the correct option. 

Which of the following is a slightly movable joint?

  1. Joint between the adjacent vertebrae in the backbone

  2. Hip joint

  3. Joint between the bones in the skull

  4. Elbow joint

  5. Pelvic joint


Correct Option: A
Explanation:

This is the correct option. 

What kind of joint is the hip and shoulder joint?

  1. Hinge joint

  2. Ball and socket joint

  3. Pivot joint

  4. Slightly movable joint

  5. Fixed joint


Correct Option: B
Explanation:

This is the correct option.

Which of the following is/are not a part of the skeleton system?

  1. Bones of the skull

  2. Ribs

  3. Vertebral column

  4. Muscles

  5. Limbs


Correct Option: D
Explanation:

This is the correct option. 

Which of the following statements is/are incorrect?

a. Locomotion helps animals to escape from their enemies and predators. b. A skeletal system consists of bones present in the body from head to toe. c. Locomotion helps animals to find their partners for reproduction and move to favourable areas for laying eggs.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c


Correct Option: C
Explanation:

This is the correct option as this statement is false.  

Which of the following statements is/are false?

a. The hinge joint allows the head to move backward and forward and turn right or left. b. The small cavity left between two bones is called synovial cavity. c. Muscles in a human body constitute about 40-50 % of the total body weight.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c


Correct Option: A
Explanation:

This is the correct option as this statement is false. 

Match the following:

 
Systems of the body Functions
a. Digestive system 1. It helps in breathing and gaseous exchange.
b. Respiratory system 2. It performs internal transportation of materials.
c. Circulatory system 3. It performs the function of nutrition.
  1. a - 3, b - 1, c - 2

  2. a - 3, b - 2, c - 1

  3. a - 1, b - 3, c - 2

  4. a - 1, b - 2, c - 3

  5. a - 2, b - 1, c - 3


Correct Option: A
Explanation:

This is the correct option.

Match the following:

 
a. Fibrous joints 1. They are the joints that allow slight movement due to the presence of pads between the joints.
b. Cartilaginous joints 2. They are the joints that do not allow any movement.
c. Synovial joints 3. They are the joints that allow free movement of bones in various directions.
  1. a - 3, b - 1, c - 2

  2. a - 1, b - 3, c - 2

  3. a - 1, b - 2, c - 3

  4. a - 2, b - 1, c - 3

  5. a - 2, b - 3, c - 1


Correct Option: D
Explanation:

Fibrous joints do not allow any movement. Cartilaginous joints allow slight movement due to the presence of pads between the joints. Synovial joints allow free movement of bones in various directions.

Which of the following is/are the function(s) of the skeleton system?

a. Protection of organs b. Providing shape and form to the body c. Movement

  1. only a

  2. only a and b

  3. only a and c

  4. only c

  5. a, b and c


Correct Option: E
Explanation:

This is the correct option. 

How many bones does a person have in his neck?

  1. 2

  2. 8

  3. 4

  4. 6

  5. 7


Correct Option: E
Explanation:

This is the correct option. 

Which of the following statements is/are false?

a. Muscles act in pairs; when one contracts, the other relaxes. b. Tendons are the fibres by which muscles are attached to the bones. c. The cartilage provides leverage for rapid contraction and relaxation of muscles.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c


Correct Option: E
Explanation:

This is the correct option as this statement is false.

Which of the following statements is/are false?

a. Locomotion is the result of coordinated action of muscles of the limb bones. b. The role of rigid exoskeleton in a snail is locomotion. c. A skeletal system consists of bones and cartilages present in the body from head to toe.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c


Correct Option: C
Explanation:

This is the correct option as this statement is false. 

Match the following:

 
a. Ball and socket joint 1. Movement in all directions is possible.
b. Hinge joint 2. Only rotational movement is possible.
c. Pivot joint 3. Only back and forth movement is possible.
  1. a - 2, b - 3, c - 1

  2. a - 3, b - 2, c - 2

  3. a - 1, b - 3, c - 2

  4. a - 3, b - 1, c - 2

  5. a - 1, b - 2, c - 3


Correct Option: C
Explanation:

This is the correct option. In ball and socket joint, movement in all directions is possible. In hinge joint, only back and forth movement is possible. In pivot joint, only rotational movement is possible.

In which of the following organisms is endoskeleton not found?

  1. Humans

  2. Snail

  3. Snake

  4. Frog

  5. Birds


Correct Option: B
Explanation:

This is the correct option. 

Which of the following fishes lack bones?

  1. Whales

  2. Rohus

  3. Sharks

  4. Catlas

  5. Sardines


Correct Option: C
Explanation:

This is the correct option. Sharks do not have bones. Their body structure consists of cartilages.

Which of the following organisms has a liquid skeleton?

  1. Fish

  2. Earthworm

  3. Bird

  4. Snake

  5. Snail


Correct Option: B
Explanation:

This is the correct option. Earthworm has a liquid skeleton.

Match the following:

 
a. Endoskeleton 1. It is a rigid internal skeleton.
b. Exoskeleton 2. It is a skeleton in which the body shape is maintained by the fluids inside the body.
c. Liquid skeleton 3. It is an external or outer skeleton.
  1. a - 2, b - 3, c - 1

  2. a - 3, b - 1, c - 2

  3. a - 3, b - 2, c - 1

  4. a - 1, b - 2, c - 3

  5. a - 1, b - 3, c - 2


Correct Option: E
Explanation:

This is the correct option.  

Match the following:

 
a. Voluntary muscles 1. They are the muscles which contract without conscious control and are found in walls of the internal organs.
b. Involuntary muscles 2. They are a type of muscle tissues that are found only in the heart.
c. Cardiac muscles 3. They are the muscles that are under the control of the will and are generally attached to the skeleton.
  1. a - 3, b - 1, c - 2

  2. a - 3, b - 2, c - 1

  3. a - 1, b - 2, c - 3

  4. a - 1, b - 3, c - 2

  5. a - 2, b - 1, c - 3


Correct Option: A
Explanation:

This is the correct option. 

Match the following:

 
Organisms Locomotion
a. Elephants 1. Hindlimbs with webbed feet
b. Frogs 2. Hindlimbs as well as forelimbs
c. Earthworms 3. Contraction and relaxation of body muscles
  1. a - 3, b - 1, c - 2

  2. a - 1, b - 3, c - 2

  3. a - 1, b - 2, c - 3

  4. a - 2, b - 1, c - 3

  5. a - 2, b - 3, c - 1


Correct Option: D
Explanation:

This is the correct option. 

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